.It was ___ he came back from Africa that year ___ he met the girl he would like to marry.

The living room is clean and tidy, with a dining table already ___ for a meal to be cooked.

There are so many kinds of Mp4 in the shop. We can’t decide .

Studies show that sunshine, fresh air, and plenty of rest often _______ a person’s recovery from sickness．

Rosa regretted giving her opinion about the decision directly, feeling ________ she should have expressed it differently.